Jeremiah 34:7-9

New Revised Standard Version, Anglicised Catholic Edition

⁷ when the army of the king of Babylon was fighting against Jerusalem and against all the cities of Judah that were left, Lachish and Azekah; for these were the only fortified cities of Judah that remained.

Treacherous Treatment of Slaves

⁸ The word that came to Jeremiah from the Lord, after King Zedekiah had made a covenant with all the people in Jerusalem to make a proclamation of liberty to them— ⁹ that all should set free their Hebrew slaves, male and female, so that no one should hold another Judean in slavery.